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Add a regex to check if auth must be done #7

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Oct 14, 2024
Merged

Add a regex to check if auth must be done #7

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2 changes: 1 addition & 1 deletion Resources/config/packages/univ_lorraine_symfony_cas.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -7,4 +7,4 @@ univ_lorraine_symfony_cas:
cas_login_redirect: / # optional (default: /)
cas_logout_redirect: ~ # optional (must be a public area)
cas_version: "3.0" # optional (default: 2.0)

public_access_regex : ~ # a regex that match publicly accessible URLs but give user if authenticated
5 changes: 5 additions & 0 deletions src/DependencyInjection/Configuration.php
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Expand Up @@ -66,6 +66,11 @@ public function getConfigTreeBuilder(): TreeBuilder
->example('2.0')
->info('Version of the CAS Server.')
->end()
->scalarNode('public_access_regex')
->defaultValue('')
->example('#^/(public|other/(sub1|sub2))$#')
->info('a regex that match publicly accessible URLs but give user if authenticated')
->end()
->end()
;

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5 changes: 5 additions & 0 deletions src/Security/CasAuthenticator.php
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Expand Up @@ -51,6 +51,11 @@ public function start(Request $request, AuthenticationException $authException =
*/
public function supports(Request $request): ?bool
{
if ($this->casService->public_access_regex
&& preg_match($this->casService->public_access_regex, $request->getRequestUri())) {
return false;
}

// If user already connected, skip the CAS auth
return !$this->security->getUser();
}
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3 changes: 2 additions & 1 deletion src/Services/CasAuthenticationService.php
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Expand Up @@ -16,7 +16,7 @@ class CasAuthenticationService
private string $cas_login_redirect;
private string $cas_logout_redirect;
private string $cas_version;

public string $public_access_regex;

public function __construct(array $config, string $env)
{
Expand All @@ -28,6 +28,7 @@ public function __construct(array $config, string $env)
$this->cas_login_redirect = ltrim($config['cas_login_redirect'], '/\\');
$this->cas_logout_redirect = $config['cas_logout_redirect'] ?: '';
$this->cas_version = $config['cas_version'];
$this->public_access_regex = $config['public_access_regex'] ?: '';
$this->env = $env;
}

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